通过对击球瞬间挥拍速度与被击出的球飞出距离的关系进行了实验研究。
The relationship between the instant speed of swing during smash and the bounce distance of the ball hit were studied by experiment.
通过两种不同计算，得到气固速度比与固粒群的加速区的运动时间和距离的关系。
Though adopting two different calculation, the relation of initial gas and particle velocity ratio and movement time and kinematic range in accelerating zone was gained.
从理论上给出了密立根油滴实验中油滴下落达到终极速度前的下落距离与速度之间的函数关系；
In this essay, the function relation between the velovity and the distance of the oil drop before it got the ultimate velovity was given.
结果发现，挥拍速度与球的飞出距离两变量间存在强相关关系。
The results showed that there was close relation between the two variables of swing speed and the bounce distance of the ball.
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
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